以下为句子列表：
英文: At the end of February, the bract attained approximately their full size, and a pair of anatropous ovules were initiated on the adaxial surface at the base of the fertile ovuliferous scale.
中文: 2月底，苞片体积不再发生变化，珠鳞膨大端的基部的近轴面分化出2个倒生胚珠。
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英文: Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.
中文: 苞鳞：在裸子植物的雌球果中大量存在的结构，每个苞鳞都包含一个珠鳞。
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英文: In the early January, ovuliferous scale primordial were acropetally formed in the axils of the developing bracts.
中文: 翌年1月初，在苞片原基的叶腋处，珠鳞原基发生，发生方向亦为向顶发育。
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英文: The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms.
中文: 心皮和能产生孢子的维管植物（羊齿类）还有具胚珠的裸子植物的大孢子叶是同源的。
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